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Received: from VE1PR04MB6638.eurprd04.prod.outlook.com (20.179.232.15) by VE1PR04MB6462.eurprd04.prod.outlook.com (20.179.232.205) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.2793.15; Wed, 11 Mar 2020 08:36:12 +0000 Received: from VE1PR04MB6638.eurprd04.prod.outlook.com ([fe80::490:6caa:24b:4a31]) by VE1PR04MB6638.eurprd04.prod.outlook.com ([fe80::490:6caa:24b:4a31%6]) with mapi id 15.20.2793.018; Wed, 11 Mar 2020 08:36:12 +0000 From: Robin Gong To: s.hauer@pengutronix.de, vkoul@kernel.org, shawnguo@kernel.org, u.kleine-koenig@pengutronix.de, broonie@kernel.org, robh+dt@kernel.org, festevam@gmail.com, dan.j.williams@intel.com, mark.rutland@arm.com, catalin.marinas@arm.com, will.deacon@arm.com, l.stach@pengutronix.de, martin.fuzzey@flowbird.group Subject: [PATCH v7 10/13] dmaengine: imx-sdma: remove ERR009165 on i.mx6ul Date: Thu, 12 Mar 2020 00:36:33 +0800 Message-Id: <1583944596-23410-11-git-send-email-yibin.gong@nxp.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1583944596-23410-1-git-send-email-yibin.gong@nxp.com> References: <1583944596-23410-1-git-send-email-yibin.gong@nxp.com> X-ClientProxiedBy: SG2PR04CA0158.apcprd04.prod.outlook.com (2603:1096:4::20) To VE1PR04MB6638.eurprd04.prod.outlook.com (2603:10a6:803:119::15) MIME-Version: 1.0 X-MS-Exchange-MessageSentRepresentingType: 1 Received: from robin-OptiPlex-790.ap.freescale.net (119.31.174.66) by SG2PR04CA0158.apcprd04.prod.outlook.com (2603:1096:4::20) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256) id 15.20.2793.15 via Frontend Transport; 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X-Microsoft-Antispam-Message-Info: QvldDmulQq258XGsLG/1pqsymH1mqrSv/i4SlrZL76aLA4FTBO3HsYNSonYejJdZyxkkocKHgtGQlWJ+hMndw/zX7+EjqJZPhdlU6TaRNFyGlYKTDpQP8hW/BPnXMwLl4eP6RlUuUcaLfxSCOj5YCr/3Pmidwa26nJQNd9C9S80fge1pf+VsyPT/YsQkothFD/reKqz1vL+dLk+ND4u4B2KvRgo3AnMXZxPTDbvJbyYcKC0MbTgbKbGO85d2XhxEZlBlVUaUDtg0a7L96t9nCzTMB7gSlnW8DcNaZe+nI6iizVO+YS7BHRhT2JlCj+mNYA352gJM7rkW2MOVpLVMxMamD1XgKlhBzkZDT74bsk5EHBo+UeS09HhYBBX+s9nbNzv7+iiSu9k0S1qo0//TujQoM+zXCtEHpFQdJV6rcOy6a4/OG+uGGawuiiqKAc4my/SyTOB0+do+Zm8zXugKRoylDJnO4HUHQZewJvZ/6WyiK7UbQQvb+IZvPIpLfcFZ8V8OgWtOLUI512zOjT4lrWfG7mdC0+EhrzUIUuhtBgSC3mx61K54bBf/Pxggl08xKUGUSsBO0+zPj68jwlgvMQ== X-MS-Exchange-AntiSpam-MessageData: CyhZNdVMmmxv5mTseaASWlNElTahm9d8KTCRmHjgmYzYZ4VR/wm0ED94KhAQrEcvjXCb0WG8K8fjIyYYvXhoEZOsFzftbv3965P/BYwBsrfia+1LNGAd4l2EuPTLYbrhuvMWx2vLjWDrfNWSdKZqAw== X-OriginatorOrg: nxp.com X-MS-Exchange-CrossTenant-Network-Message-Id: 59c27a2f-9216-4683-9015-08d7c5974172 X-MS-Exchange-CrossTenant-OriginalArrivalTime: 11 Mar 2020 08:36:12.6764 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 686ea1d3-bc2b-4c6f-a92c-d99c5c301635 X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: 6Lei2V69UAQRCmDxT1R1LSIvlPV3J2TdQTbdiWMt+AaPAEj6cYABG46IVO/E3FV7EWhY5Gi7MDDtz1VCAdTx7w== X-MS-Exchange-Transport-CrossTenantHeadersStamped: VE1PR04MB6462 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200311_013615_909029_ADE7189F X-CRM114-Status: GOOD ( 14.03 ) X-Spam-Score: -0.2 (/) X-Spam-Report: SpamAssassin version 3.4.3 on bombadil.infradead.org summary: Content analysis details: (-0.2 points) pts rule name description ---- ---------------------- -------------------------------------------------- -0.0 RCVD_IN_DNSWL_NONE RBL: Sender listed at https://www.dnswl.org/, no trust [40.107.21.62 listed in list.dnswl.org] 0.0 DATE_IN_FUTURE_06_12 Date: is 6 to 12 hours after Received: date -0.0 SPF_PASS SPF: sender matches SPF record -0.0 SPF_HELO_PASS SPF: HELO matches SPF record -0.1 DKIM_VALID_AU Message has a valid DKIM or DK signature from author's domain -0.1 DKIM_VALID_EF Message has a valid DKIM or DK signature from envelope-from domain 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature 0.0 MSGID_FROM_MTA_HEADER Message-Id was added by a relay X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-spi@vger.kernel.org, linux-imx@nxp.com, kernel@pengutronix.de, dmaengine@vger.kernel.org, linux-arm-kernel@lists.infradead.org Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org ECSPI issue fixed from i.mx6ul at hardware level, no need ERR009165 anymore on those chips such as i.mx8mq. Signed-off-by: Robin Gong Acked-by: Vinod Koul --- drivers/dma/imx-sdma.c | 29 ++++++++++++++++++++++++++++- 1 file changed, 28 insertions(+), 1 deletion(-) diff --git a/drivers/dma/imx-sdma.c b/drivers/dma/imx-sdma.c index e034375..22f9f20 100644 --- a/drivers/dma/imx-sdma.c +++ b/drivers/dma/imx-sdma.c @@ -419,6 +419,13 @@ struct sdma_driver_data { int num_events; struct sdma_script_start_addrs *script_addrs; bool check_ratio; + /* + * ecspi ERR009165 fixed should be done in sdma script + * and it has been fixed in soc from i.mx6ul. + * please get more information from the below link: + * https://www.nxp.com/docs/en/errata/IMX6DQCE.pdf + */ + bool ecspi_fixed; }; struct sdma_engine { @@ -539,6 +546,13 @@ static struct sdma_driver_data sdma_imx6q = { .script_addrs = &sdma_script_imx6q, }; +static struct sdma_driver_data sdma_imx6ul = { + .chnenbl0 = SDMA_CHNENBL0_IMX35, + .num_events = 48, + .script_addrs = &sdma_script_imx6q, + .ecspi_fixed = true, +}; + static struct sdma_script_start_addrs sdma_script_imx7d = { .ap_2_ap_addr = 644, .uart_2_mcu_addr = 819, @@ -587,6 +601,9 @@ static const struct platform_device_id sdma_devtypes[] = { .name = "imx7d-sdma", .driver_data = (unsigned long)&sdma_imx7d, }, { + .name = "imx6ul-sdma", + .driver_data = (unsigned long)&sdma_imx6ul, + }, { .name = "imx8mq-sdma", .driver_data = (unsigned long)&sdma_imx8mq, }, { @@ -603,6 +620,7 @@ static const struct of_device_id sdma_dt_ids[] = { { .compatible = "fsl,imx31-sdma", .data = &sdma_imx31, }, { .compatible = "fsl,imx25-sdma", .data = &sdma_imx25, }, { .compatible = "fsl,imx7d-sdma", .data = &sdma_imx7d, }, + { .compatible = "fsl,imx6ul-sdma", .data = &sdma_imx6ul, }, { .compatible = "fsl,imx8mq-sdma", .data = &sdma_imx8mq, }, { /* sentinel */ } }; @@ -1169,8 +1187,17 @@ static int sdma_config_channel(struct dma_chan *chan) if (sdmac->peripheral_type == IMX_DMATYPE_ASRC_SP || sdmac->peripheral_type == IMX_DMATYPE_ASRC) sdma_set_watermarklevel_for_p2p(sdmac); - } else + } else { + /* + * ERR009165 fixed from i.mx6ul, no errata need, + * set bit31 to let sdma script skip the errata. + */ + if (sdmac->peripheral_type == IMX_DMATYPE_CSPI && + sdmac->direction == DMA_MEM_TO_DEV && + sdmac->sdma->drvdata->ecspi_fixed) + __set_bit(31, &sdmac->watermark_level); __set_bit(sdmac->event_id0, sdmac->event_mask); + } /* Address */ sdmac->shp_addr = sdmac->per_address;